Weather Balloons

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The Weather Balloons are produced by rotational molding of natural rubber. Their uniform wall thickness prevent premature blowouts, and they are ozone resistant. Reinforced necks allow use in strong winds without tearing. Each balloon is inflated, inspected, and tested before being dusted and sealed in a moisture-proof polyethylene bag. They may be stored up to 7 years if kept in a cool, dark room. No pre-flight conditioning is required. Weather Balloons are not returnable.